Description
The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.
Exploits (2)
exploitdb
WORKING POC
VERIFIED
by Luigi Auriemma · textdosmultiple
https://www.exploit-db.com/exploits/36377
exploitdb
WORKING POC
VERIFIED
by Luigi Auriemma · textdosmultiple
https://www.exploit-db.com/exploits/36378
References (7)
Core 7
Core References
Exploit, US Government Resource x_refsource_misc
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf
Mailing List mailing-list
x_refsource_bugtraq
http://seclists.org/bugtraq/2011/Nov/178
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/47018
Third Party Advisory x_refsource_misc
http://aluigi.altervista.org/adv/codesys_1-adv.txt
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/77388
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/71533
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/77389
Scores
EPSS
0.2463
EPSS Percentile
96.2%
Details
Status
published
Products (1)
3ssoftware/codesys
3.4 sp4
Published
Dec 25, 2011
Tracked Since
Feb 18, 2026